German shepherd picking up random things on the ground to eat how to do? Training German shepherd to learn to refuse food

The German Shepherd has good physical qualities and is also very docile and loyal, and can excel either as a military police dog or as a family dog. The German Shepherd living in a modern family, from an early age, must be trained in a standardized manner in order for it to develop good hygiene habits. Some German shepherds like to pick up things on the ground to eat outdoors, which is very unhygienic, so how to train German shepherds to refuse food? 1, usually when feeding German shepherds, if it falls over the food vessel, must strictly criticize it, while falling on the ground dog food is not allowed to eat. 2, sometimes owners eat or snacks, may be some fall to the ground, if German shepherds smell and ready to run over to eat, to issue “The company’s main goal is to provide a comprehensive range of products and services to the public. The actual dog’s favorite food is on the floor, and then watch the German shepherd’s action, stop it at any time, repeated training, you can make the dog develop the habit of refusing food. In addition, you can put food in advance on the walk, on the grass, multiple scenes for training, to ensure that the German Shepherd can develop this habit in different environments. 4, if it is trained outdoors, must give the German Shepherd wear a good leash, one is for safety reasons, but can pull it back in time when the dog does not obey. 5, some dogs are more stubborn, especially when the pre-training, that can try in the food Add some stimulating food ingredients such as mustard, chili, etc. German shepherd if on the floor to eat these, certainly feel uncomfortable, will not have any good feeling for the food on the floor.